Class OptimalDimension
- java.lang.Object
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- ej.mwt.style.dimension.OptimalDimension
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Field Summary
Fields Modifier and Type Field Description static OptimalDimension
OPTIMAL_DIMENSION_X
Optimal dimension using widget's optimal width.static OptimalDimension
OPTIMAL_DIMENSION_XY
Optimal dimension using widget's optimal width and height.static OptimalDimension
OPTIMAL_DIMENSION_Y
Optimal dimension using widget's optimal height.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
computeOptimalSize(Widget widget, int availableWidth, int availableHeight, Size optimalSize)
Computes the optimal size of a widget.boolean
equals(java.lang.Object obj)
Indicates whether some other object is "equal to" this one.void
getAvailableSize(Widget widget, int availableWidth, int availableHeight, Size availableSize)
Gets the available size for a widget.int
hashCode()
Returns a hash code value for the object.void
layOut(Widget widget, Rectangle bounds)
Lays out a widget.
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Field Detail
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OPTIMAL_DIMENSION_XY
public static final OptimalDimension OPTIMAL_DIMENSION_XY
Optimal dimension using widget's optimal width and height.
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OPTIMAL_DIMENSION_X
public static final OptimalDimension OPTIMAL_DIMENSION_X
Optimal dimension using widget's optimal width.
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OPTIMAL_DIMENSION_Y
public static final OptimalDimension OPTIMAL_DIMENSION_Y
Optimal dimension using widget's optimal height.
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Method Detail
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getAvailableSize
public void getAvailableSize(Widget widget, int availableWidth, int availableHeight, Size availableSize)
Description copied from interface:Dimension
Gets the available size for a widget.The given available size is the available width and height minus the outlines.
The given size is updated by this method to set the available size for this dimension.
- Specified by:
getAvailableSize
in interfaceDimension
- Parameters:
widget
- the widget.availableWidth
- the available width.availableHeight
- the available height.availableSize
- the available size.
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computeOptimalSize
public void computeOptimalSize(Widget widget, int availableWidth, int availableHeight, Size optimalSize)
Description copied from interface:Dimension
Computes the optimal size of a widget.The given optimal size is the optimal size of the widget considering the available size.
The given size is updated by this method to set the optimal size for this dimension.
- Specified by:
computeOptimalSize
in interfaceDimension
- Parameters:
widget
- the widget.availableWidth
- the available width.availableHeight
- the available height.optimalSize
- the optimal size.
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layOut
public void layOut(Widget widget, Rectangle bounds)
Description copied from interface:Dimension
Lays out a widget.The style of the widget must be set before (not
null
).This dimension is applied to compute the widget bounds and align the widget in the given bounds. The given rectangle is updated with the updated bounds.
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equals
public boolean equals(@Nullable java.lang.Object obj)
Description copied from class:java.lang.Object
Indicates whether some other object is "equal to" this one.The
equals
method implements an equivalence relation on non-null object references:- It is reflexive: for any non-null reference value
x
,x.equals(x)
should returntrue
. - It is symmetric: for any non-null reference values
x
andy
,x.equals(y)
should returntrue
if and only ify.equals(x)
returnstrue
. - It is transitive: for any non-null reference values
x
,y
, andz
, ifx.equals(y)
returnstrue
andy.equals(z)
returnstrue
, thenx.equals(z)
should returntrue
. - It is consistent: for any non-null reference values
x
andy
, multiple invocations ofx.equals(y)
consistently returntrue
or consistently returnfalse
, provided no information used inequals
comparisons on the objects is modified. - For any non-null reference value
x
,x.equals(null)
should returnfalse
.
The
equals
method for classObject
implements the most discriminating possible equivalence relation on objects; that is, for any non-null reference valuesx
andy
, this method returnstrue
if and only ifx
andy
refer to the same object (x == y
has the valuetrue
).Note that it is generally necessary to override the
hashCode
method whenever this method is overridden, so as to maintain the general contract for thehashCode
method, which states that equal objects must have equal hash codes. - It is reflexive: for any non-null reference value
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hashCode
public int hashCode()
Description copied from class:java.lang.Object
Returns a hash code value for the object. This method is supported for the benefit of hash tables such as those provided byHashMap
.The general contract of
hashCode
is:- Whenever it is invoked on the same object more than once during an execution of a Java
application, the
hashCode
method must consistently return the same integer, provided no information used inequals
comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application. - If two objects are equal according to the
equals(Object)
method, then calling thehashCode
method on each of the two objects must produce the same integer result. - It is not required that if two objects are unequal according to the
Object.equals(java.lang.Object)
method, then calling thehashCode
method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.
As much as is reasonably practical, the hashCode method defined by class
Object
does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the JavaTM programming language.) - Whenever it is invoked on the same object more than once during an execution of a Java
application, the
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